diff --git a/src/emu/sound/bsmt2000.h b/src/emu/sound/bsmt2000.h
index 33228c3bec4..c0abcaf8607 100644
--- a/src/emu/sound/bsmt2000.h
+++ b/src/emu/sound/bsmt2000.h
@@ -64,8 +64,6 @@
 //  TYPE DEFINITIONS
 //**************************************************************************
 
-class bsmt2000_device;
-
 
 // ======================> bsmt2000_device